21221878 Compatible Volvo FH Water Pump

What does a water pump do?

This water pump serves as a critical component within the engine cooling system, facilitating the continuous circulation of coolant between the engine and the radiator. By maintaining stable thermal management, it helps prevent engine overheating and ensures the longevity of high-strength engine components during heavy-duty operations.

Compatible Volvo FH engines

This specific model is compatible with Volvo FH trucks, including variants such as the 400, 440, 480, 500, and 520 models. It is specifically designed to fit Volvo FH (FH4/FH5) units equipped with the D11K engine. For exact fitment, verifying the engine code is highly recommended.

Installation and maintenance

During installation, technicians should inspect the drive belt and related seals to ensure a leak-free assembly. Regular maintenance and monitoring for signs of coolant leakage or unusual bearing noise are essential for preventing sudden system failures during transport.

Troubleshooting and replacement

Maintaining proper coolant levels and replacing this component during scheduled belt services helps avoid costly downtime for fleet managers and workshop technicians alike.

OE cross-reference

525.03.0006 (Water Pump Water Pumps) is the equivalent of the Volvo OE number. This part directly replaces Volvo OE number 21221878.